Helmet holding bag



FIG. 1 is a front three-quarter perspective embodying our new design;

FIG. 2 is a front plan view;

FIG. 3 is a rear plan view;

FIG. 4 is a side plan view taken from the left of the configuration as shown in FIG. 3;

FIG. 5 is a side plan view taken from the right of the configuration as shown in FIG. 3;

FIG. 6 is a top plan view;

FIG. 7 is a bottom plan view; and,

FIG. 8 is an environmental, perspective view thereof.

The broken lines shown in the drawings represent unclaimed portions of the helmet holding bag and form no part of the claimed design. 

The ornamental design for a helmet holding bag, as shown and described. 